Specifications – wbk18, Specifications …… 24 – Measurement Computing WBK18 User Manual
Page 23
Specifications – WBK18
Specifications are subject to change without notice.
General
System Connectors: BNC connector, mates with expansion signal input on the WaveBook; female DB15
connector, mates with expansion control signal on the WaveBook.
Input Power Range: 10 to 30 VDC
Input Power Fuse F900: 4A MINI ATO, user replaceable; refer to page 21 for details.
Power Consumption
@ 12V: 1.6A
@ 15V: 1.3A
@ 24V: 0.8A
Environment
Operating: 0
° to 50°C; 0 to 95% RH, non-condensing
Storage: 0
° to 70°C
Vibration: MIL STD 810E, category 1
Dimensions: 280 mm W x 216 mm D x 42 mm H (11” x 8.5” x 1.65”)
Weight: 1.3 kg (2.9 lbs)
Analog Inputs
Channels: 8
Signal Connection: 1 BNC per channel
Input Impedance: 200k Ohm (single-ended)
Input Coupling: AC, DC (software programmable per channel)
High-Pass Filter: 0.1 Hz or 10 Hz (software programmable per channel)
Input Ranges:
±25V (DC coupled only), ±5V, ±2.5V, ±1V, ±500mV, ±250mV, ±100mV, ±50mV, ±25mV
(software programmable per channel)
Overrange Detection: Programmable from 1% to 100% of range
Overrange Indication: Front panel LED per channel, software status
Low-Pass Filter (software programmable per channel)
Type: 8-pole Butterworth with simultaneous sample-and-hold (SSH)
Cutoff Frequency (Fc): 10 Hz to 50 kHz in 1-2-5 progression
Alias Rejection: 75dB min
Channel-to-Channel Phase Matching*: 1
° typ, 2° max
Unit-to-Unit Phase Matching*: 1
° typ, 2° max
SSH latency: 100ns max
Amplitude Accuracy**:
±0.5dB (F
in
≤ F
c
/2)
Total Harmonic Distortion: -70dB typ
ICP Bias Source: 4mA, 24V compliance (on/off software programmable per channel)
ICP Fault Detection Thresholds: <1V (short), >25V (open)
ICP Fault Indication: Front panel LED per channel, software status
* Conditions for Low-Pass Filter Phase-Matching
8-pole LPF mode, 0.1 Hz or DC HPF mode
1 Hz
≤ F
in
≤ F
c
/2
200 Hz
≤ F
c
≤ 20 kHz
All WBK18 units connected to same WaveBook
** Condition for Amplitude Accuracy
For F
in
< 20 kHz
WBK18, Dynamic Signal Input Module
926896
WBK18, pg. 23